Yep, that's right. Justin Bieber has joined Instagram and tweeted his first image. Yay? Within minutes, Bieber started gaining 50 followers a second and six comments a minute. And yeah, this first photo already accrued 300 likes.

One piece of good news for the geek crowd — Instagram is holding up under the strain of thousands of pre-teen girls flooding the service. That's something worthy of a good ole pat on the back. [TechCrunch]

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